Improvement in fife-coupling



` waited glatte @anni @Wire Letters Patent No. 98,717, dated Januaryll,1870.

MPROVEMENT IN' PIPE-COUPLING.

Q-vs The Schedule referred to in these Letters Patent and making part ofthe same.

To all whom it may concern.-

Be it known that I, EDMUND SMITH. of Hamburg, Germany, have invented anew and improved Steam and GasJEipe;A and I do hereby declare thefollowing is a full and exact description of the constructionandoperation of the same, reference being had to the annexed drawings,making a part of this specification.

Figure 1 shows the two sections otpipe, A A, with bevelled rims orflanges b b, secured in line by the band or coupling d d, and bevelledor wedge-shaped screw and nut a a, a suitable ling or washer, of rnbberor other material, being placed 'between the endsfof the pipes, shown atc c.

Figure 2 shows a plan of the band or coupling d d, with the'iuteriorwedge-formed or concave anges or lugs e e, as shown.

Figure 3 shows a plan of the pipe when coupled, with the end or ends ofthe pipe adjusted at an angle with the axis of the pipe, so as tothrowthe pipe out ofA line, (shown by the dotted liues,) for making bends,curves, or angles. Y

Figure 4 shows a socket or sleeve for joining plain pipe, or broken endsof pipes; also the bevelled rings or bands f f, and rubber rings orwashers, or other material, g g, and' bevelled or wedge-shaped screw andnut h h, which, when screwed home, compress the rubber rings firmlyagainst the pipe, .to form a. close.

and solid joint.`

It will be observed that the pipe is constructed perfectly straight,with the exception of the bevelled flanges at the ends, as plainly shownin fig. 1.

The operation of connecting or coupling pipes consists in placing theends b b together, with the intervening rubber ring or washer c c, andsecuring them in place with the band or coupling d d, also shown at fig.3,A which is slipped over the union until the conj clave clips or lugs tthe. united bevelled projections or flanges of the pipes. l 'lhen thescrew a a, having the wedge-formed head and nut is inserted and screwedhome until the bevelled surfaces of the pipe, lugs, and screw, all comein contact. This serves to force the endsof the pipe together, andcompresses the packing-ring or washer c c to form a perfectly tightjoint, and secure connection.

The dotted lilies, ig.1-aud.ig. 3, shows the pipe with its end bevelledat an angle (not a right angle) with the axis of the pipe. This willthrow the pipe out of a straight line, when coupled, and forms a planproducing curves and angles in laying pipe. By reversing the position ofthe ends of one or more bevelled pipes, a greater o'r lesser degree ofcurvature may be obtained, or when entirely reversed, that is, turnedhalf round, the pipes will be brought into liuc again.

The socket or sleeve, iig. 4, is intended to join plainl pipeor brokenends, as shown and described. It is also applicable to either wooden,asphalt, cement, or any other kind of pipe. It also affords a readymeans of joininga connection orT, by tapping and inserting it .in thesocket or sleeve, or bycasting the sleeve with an elbow or a T.f l lThis invention embodies a simple, efficient, and ready means ofconnecting and"disconnecting piping. It saves the trouble and expense ofexcavating for the purpose of, and leading the joints, and it avoids thedestruction of piping when relaid, or requiring to have a sectionchanged for any purpose. It also avoids the necessity ot' casting pipingin curves, which is 'both troublesome and expensive.

Having thus described my invention,

That I desire to secure by Letters Patent of the United States, is j l.The bevelled'rims or flanges b b, on the voutside of the ends of thepipe A, in combination with the clasp-band d d, lugs e c, and bevelledbolt-head, and screw-nut a a, for connecting water orgas-pipe, as hereindescribe 2. In connection with the above 'clamping-device, the bevelleder angle-ends of the pipe for making curves in laying, in the mannerherein set ibi-th.-

EDMUND SMITH.

Witnesses:

E. SANDERSON, D. J. WILLs.

